Question: When did the Faisal of Saudi Arabia get replaced by the Khalid of Saudi Arabia?
Paraphrase: What date did Khalid of Saudi Arabia replace Faisal of Saudi Arabia ?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q217167 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P1366 wd:Q208301 }